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Internal Medicine

Tiarra D. Clayton, DO

Works at hospitals in Alexandria, LA · Louisiana

Summary

Dr. Tiarra D. Clayton, DO is an internal medicine doctor at 539 Bertrand Dr, Lafayette, LA 70506. Phone: (337) 294-1230. Accepts Medicare assignment. In 2024, Tiarra D. Clayton had 376 Original Medicare patients and 1,050 services. NPI 1801336771. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 539 Bertrand Dr, Lafayette, LA 70506 · Directions (1 more location)
  • Phone: (337) 294‑1230
  • Medicare: Accepts Medicare assignment
  • Hospital: Rapides Regional Medical Center
  • Group practice: Calcasieu Cameron Hospital Medicine Group LLC (+1 more)
  • Medical school: graduated 2017 (9 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Tiarra D. Clayton, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Tiarra D. Clayton accept Medicare assignment?
Yes. Medicare's clinician data says Tiarra D. Clayton accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Tiarra D. Clayton see?
In 2024, CMS data shows 376 Original Medicare patients and 1,050 services for Tiarra D. Clayton. This counts Original Medicare only and measures volume, not quality.
What is Tiarra D. Clayton's NPI number?
1801336771. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Tiarra D. Clayton, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients376
Services billed to Medicare1,050
Different services or procedures9
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)381 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)240 services
  3. Hospital discharge day management, more than 30 minutes (99239)171 services
  4. Critical care, first 30-74 minutes (99291)152 services
  5. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)91 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Ischemic heart disease59%
  • Arthritis53%
  • Heart failure53%
  • Diabetes50%

Hospitals where Tiarra D. Clayton works

Medicare's Facility Affiliation Data lists Tiarra D. Clayton at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Tiarra D. Clayton is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Tiarra D. Clayton as a member of these groups (CMS data updated October 2, 2026).

  • Calcasieu Cameron Hospital Medicine Group LLC63 clinicians in the group
  • Centerwell Senior Primary Care La PC40 clinicians in the group

Specialties

Find other Internal Medicine doctors in Louisiana →

Other internal medicine doctors in Lafayette

Clinicians with the same Medicare primary specialty in Lafayette, LA — not a recommendation.

All internal medicine doctors in Lafayette →

Other clinicians in Calcasieu Cameron Hospital Medicine Group LLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialDO
Graduation year2017 (9 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1801336771
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians